Question 5 [8 marks] An average of 100 customers per hour arrive at the Imali Bank. It takes a teller (bank employee who serves customers) an average of 1 minute to serve a customer. Interarrival and service times are exponential. The bank currently has two tellers working. The bank manager wants to compare the following two systems with regard to customer experience in the bank: System 1: Each teller has their own line, and no jockeying between lines is permitted. System 2: All customers wait in a single line for the first available teller. If you were the bank manager, which system would you prefer